• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
Where premium quality meets exceptional value. ZEISS Conquest HDX.

Barred Antshrike - BirdForum Opus

Revision as of 09:08, 21 August 2017 by Deliatodd-18346 (talk | contribs) (Additional GSearch for Caatinga Antshrike)
Page Discussion
View source History
Thamnophilus doliatus

Includes Caatinga Antshrike

Male on left, female on right
Photo by Steve G
Asa Wright Nature Centre, Northern Trinidad, May 2006

Identification

16.5 cm
Male

  • Black and white barring
  • Black crest wtih white base which is raised in display

Female

Male, Subspecies difficilis
Photo by Dave Clark
Northern Pantanal, Mato Grosso, Brazil, July 2009
  • Rufous upperparts
  • Chestnut crest
  • Sides of head and neck streaked with black
  • Rich buff underparts

Distribution

Mexico, Trinidad and Tobago, northern Argentina, Bolivia and Paraguay.

Taxonomy

Has been considered conspecific with Chapman's Antshrike in the past.

Subspecies

Female, Subspecies capistratus, Caatinga Antshrike
Photo by Xyko Paludo
Araripe, Ceará, Brazil, July, 2017

There are 12 subspecies[1]:

  • T. d. intermedius (yucatanensis, pacificus): Eastern Mexico (Tamaulipas) to Belize, Guatemala and western Panama
  • T. d. nigricristatus: Central Panama (eastern Chiriquí and southern Veraguas to western San Blas)
  • T. d. eremnus: Coiba Island (Panama)
  • T. d. nesiotes: Pearl Islands (Gulf of Panama)
  • T. d. albicans: Caribbean slope of Colombia and south in Magdalena Valley to Huila
  • T. d. nigrescens: North-central Colombia east of Andes and north-western Venezuela north of Andes
  • T. d. tobagensis: Tobago
  • T. d. doliatus (fraterculus): North-eastern Colombia to the Guianas and northern Amazonian Brazil; Trinidad
  • T. d. radiatus (subradiatus, signatus, novus): Extreme south-eastern Colombia to eastern Peru, Bolivia, Paraguay, northern Argentina
  • T. d. cadwaladeri: Southern Bolivia (Tarija)
  • T. d. difficilis: East-central Brazil (eastern Maranhão to eastern Mato Grosso, Goiás and western Bahia)
  • T. d. capistratus: Eastern Brazil (Ceará to extreme northern Minas Gerais and central Bahia)

The last subspecies is sometimes considered a separate species, Caatinga Antshrike, T. capistratus.

Habitat

Arid or humid lowland wooded habitats; mangroves, riparian shrubs, gardens and cultivated areas.

Behaviour

Constantly on the move.

Breeding

A cup nest is built and placed in a shrub. Both adults incubate the 2 purple-marked creamy white eggs for 2 weeks. The chicks fledge in another 12-13 days.

Diet

The diet includes ants and other arthropods, army ants, small lizards and berries.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2012. The eBird/Clements Checklist of Birds of the World. 6th ed., with updates to October 2012. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
  2. Wikipedia
  3. BF Member observations

Recommended Citation

External Links



Retrieved from ‘https://www.birdforum.net/wiki/index.php?title=Barred_Antshrike&oldid=225842’
Back
Top